13897001224 has 16 divisors (see below), whose sum is σ = 26059989420. Its totient is φ = 6947670720.

The previous prime is 13897001221. The next prime is 13897001233. The reversal of 13897001224 is 42210079831.

It can be written as a sum of positive squares in 2 ways, for example, as 13881081124 + 15920100 = 117818^2 + 3990^2 .

It is not an unprimeable number, because it can be changed into a prime (13897001221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29439 + ... + 169294.

Almost surely, 2^13897001224 is an apocalyptic number.

It is an amenable number.

13897001224 is a deficient number, since it is larger than the sum of its proper divisors (12162988196).

13897001224 is a wasteful number, since it uses less digits than its factorization.

13897001224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207480 (or 207476 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 13897001224 in words is "thirteen billion, eight hundred ninety-seven million, one thousand, two hundred twenty-four".