1308252672 has 60 divisors (see below), whose sum is σ = 3775719090. Its totient is φ = 436082688.

The previous prime is 1308252667. The next prime is 1308252679. The reversal of 1308252672 is 2762528031.

It can be written as a sum of positive squares in only one way, i.e., 1251461376 + 56791296 = 35376^2 + 7536^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (1308252679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137347 + ... + 146562.

Almost surely, 2^1308252672 is an apocalyptic number.

1308252672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1308252672 is an abundant number, since it is smaller than the sum of its proper divisors (2467466418).

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

1308252672 is an equidigital number, since it uses as much as digits as its factorization.

1308252672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283933 (or 283914 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1308252672 is about 36169.7756697495. The cubic root of 1308252672 is about 1093.6974766963.

The spelling of 1308252672 in words is "one billion, three hundred eight million, two hundred fifty-two thousand, six hundred seventy-two".