1246545672 has 32 divisors (see below), whose sum is σ = 3299680800. Its totient is φ = 391073024.

The previous prime is 1246545667. The next prime is 1246545683. The reversal of 1246545672 is 2765456421.

It is a super-2 number, since 2×1246545672² = 3107752224763863168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 1527222 + ... + 1528037.

It is an arithmetic number, because the mean of its divisors is an integer number (103115025).

Almost surely, 2^1246545672 is an apocalyptic number.

1246545672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1246545672 is an abundant number, since it is smaller than the sum of its proper divisors (2053135128).

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

1246545672 is a wasteful number, since it uses less digits than its factorization.

1246545672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055285 (or 3055281 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 1246545672 is about 35306.4536876759. The cubic root of 1246545672 is about 1076.2241463544.

The spelling of 1246545672 in words is "one billion, two hundred forty-six million, five hundred forty-five thousand, six hundred seventy-two".