1357972 has 24 divisors (see below), whose sum is σ = 2963520. Its totient is φ = 528960.

The previous prime is 1357969. The next prime is 1358009. The reversal of 1357972 is 2797531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

2^1357972 is an apocalyptic number.

It is an amenable number.

1357972 is an abundant number, since it is smaller than the sum of its proper divisors (1605548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1357972 is a wasteful number, since it uses less digits than its factorization.

1357972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431 (or 4429 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 1357972 is about 1165.3205567568. The cubic root of 1357972 is about 110.7380670187.

The spelling of 1357972 in words is "one million, three hundred fifty-seven thousand, nine hundred seventy-two".