1369957 has 4 divisors (see below), whose sum is σ = 1442080. Its totient is φ = 1297836.

The previous prime is 1369943. The next prime is 1369961. The reversal of 1369957 is 7599631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7599631 = 13 ⋅584587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1369957 is a prime.

It is a super-3 number, since 3×1369957³ = 7713332662497931479, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36033 + ... + 36070.

It is an arithmetic number, because the mean of its divisors is an integer number (360520).

2^1369957 is an apocalyptic number.

It is an amenable number.

1369957 is a deficient number, since it is larger than the sum of its proper divisors (72123).

1369957 is an equidigital number, since it uses as much as digits as its factorization.

1369957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72122.

The product of its digits is 51030, while the sum is 40.

The square root of 1369957 is about 1170.4516222382. The cubic root of 1369957 is about 111.0628921515.

The spelling of 1369957 in words is "one million, three hundred sixty-nine thousand, nine hundred fifty-seven".