13897082272 has 24 divisors (see below), whose sum is σ = 27447874272. Its totient is φ = 6926193600.

The previous prime is 13897082267. The next prime is 13897082291. The reversal of 13897082272 is 27228079831.

It is a happy 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, 688254 + ... + 708157.

It is an arithmetic number, because the mean of its divisors is an integer number (1143661428).

Almost surely, 2^13897082272 is an apocalyptic number.

It is an amenable number.

13897082272 is a deficient number, since it is larger than the sum of its proper divisors (13550792000).

13897082272 is a wasteful number, since it uses less digits than its factorization.

13897082272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396732 (or 1396724 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 13897082272 in words is "thirteen billion, eight hundred ninety-seven million, eighty-two thousand, two hundred seventy-two".