13937772 has 12 divisors (see below), whose sum is σ = 32521496. Its totient is φ = 4645920.

The previous prime is 13937771. The next prime is 13937813. The reversal of 13937772 is 27773931.

13937772 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13937772² = 388522976647968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13937772.

It is not an unprimeable number, because it can be changed into a prime (13937771) 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, 580729 + ... + 580752.

Almost surely, 2^13937772 is an apocalyptic number.

13937772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13937772 is an abundant number, since it is smaller than the sum of its proper divisors (18583724).

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

13937772 is a wasteful number, since it uses less digits than its factorization.

13937772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161488 (or 1161486 counting only the distinct ones).

The product of its digits is 55566, while the sum is 39.

The square root of 13937772 is about 3733.3325595237. The cubic root of 13937772 is about 240.6566047653.

The spelling of 13937772 in words is "thirteen million, nine hundred thirty-seven thousand, seven hundred seventy-two".