1357656012 has 48 divisors (see below), whose sum is σ = 3523968000. Its totient is φ = 452022480.

The previous prime is 1357656011. The next prime is 1357656019. The reversal of 1357656012 is 2106567531.

1357656012 is a `hidden beast` number, since 13 + 5 + 76 + 560 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1357656011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91489 + ... + 105287.

It is an arithmetic number, because the mean of its divisors is an integer number (73416000).

Almost surely, 2^1357656012 is an apocalyptic number.

1357656012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1357656012 is an abundant number, since it is smaller than the sum of its proper divisors (2166311988).

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

1357656012 is a wasteful number, since it uses less digits than its factorization.

1357656012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14723 (or 14715 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 1357656012 is about 36846.3839745503. The cubic root of 1357656012 is about 1107.2947709813.

The spelling of 1357656012 in words is "one billion, three hundred fifty-seven million, six hundred fifty-six thousand, twelve".