1308553972 has 12 divisors (see below), whose sum is σ = 2498148576. Its totient is φ = 594797240.

The previous prime is 1308553949. The next prime is 1308554017. The reversal of 1308553972 is 2793558031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14869888 + ... + 14869975.

It is an arithmetic number, because the mean of its divisors is an integer number (208179048).

Almost surely, 2^1308553972 is an apocalyptic number.

It is an amenable number.

1308553972 is a deficient number, since it is larger than the sum of its proper divisors (1189594604).

1308553972 is a wasteful number, since it uses less digits than its factorization.

1308553972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29739878 (or 29739876 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 1308553972 is about 36173.9405097095. The cubic root of 1308553972 is about 1093.7814323832.

The spelling of 1308553972 in words is "one billion, three hundred eight million, five hundred fifty-three thousand, nine hundred seventy-two".