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1374213 = 31924109
BaseRepresentation
bin101001111100000000101
32120211001210
411033200011
5322433323
645242033
714452311
oct5174005
92524053
101374213
11859515
12563319
13391659
1427ab41
151c2293
hex14f805

1374213 has 8 divisors (see below), whose sum is σ = 1928800. Its totient is φ = 867888.

The previous prime is 1374211. The next prime is 1374239. The reversal of 1374213 is 3124731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1374213 - 21 = 1374211 is a prime.

It is a super-2 number, since 2×13742132 = 3776922738738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1374213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11998 + ... + 12111.

It is an arithmetic number, because the mean of its divisors is an integer number (241100).

21374213 is an apocalyptic number.

It is an amenable number.

1374213 is a deficient number, since it is larger than the sum of its proper divisors (554587).

1374213 is a wasteful number, since it uses less digits than its factorization.

1374213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24131.

The product of its digits is 504, while the sum is 21.

The square root of 1374213 is about 1172.2683139964. The cubic root of 1374213 is about 111.1777850573.

Adding to 1374213 its reverse (3124731), we get a palindrome (4498944).

The spelling of 1374213 in words is "one million, three hundred seventy-four thousand, two hundred thirteen".

Divisors: 1 3 19 57 24109 72327 458071 1374213