13958992 has 10 divisors (see below), whose sum is σ = 27045578. Its totient is φ = 6979488.

The previous prime is 13958969. The next prime is 13958993. The reversal of 13958992 is 29985931.

It can be written as a sum of positive squares in only one way, i.e., 13957696 + 1296 = 3736^2 + 36^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13958993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436203 + ... + 436234.

Almost surely, 2^13958992 is an apocalyptic number.

It is an amenable number.

13958992 is a deficient number, since it is larger than the sum of its proper divisors (13086586).

13958992 is an equidigital number, since it uses as much as digits as its factorization.

13958992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872445 (or 872439 counting only the distinct ones).

The product of its digits is 174960, while the sum is 46.

The square root of 13958992 is about 3736.1734435114. The cubic root of 13958992 is about 240.7786745793.

The spelling of 13958992 in words is "thirteen million, nine hundred fifty-eight thousand, nine hundred ninety-two".