1361623 has 8 divisors (see below), whose sum is σ = 1448928. Its totient is φ = 1276704.

The previous prime is 1361609. The next prime is 1361629. The reversal of 1361623 is 3261631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1361594 and 1361603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361629) 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, 661 + ... + 1777.

It is an arithmetic number, because the mean of its divisors is an integer number (181116).

2^1361623 is an apocalyptic number.

1361623 is a deficient number, since it is larger than the sum of its proper divisors (87305).

1361623 is a wasteful number, since it uses less digits than its factorization.

1361623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its digits is 648, while the sum is 22.

The square root of 1361623 is about 1166.8860269966. The cubic root of 1361623 is about 110.8372204841.

The spelling of 1361623 in words is "one million, three hundred sixty-one thousand, six hundred twenty-three".