13992077 has 6 divisors (see below), whose sum is σ = 15379854. Its totient is φ = 12719960.

The previous prime is 13992061. The next prime is 13992091. The reversal of 13992077 is 77029931.

It can be written as a sum of positive squares in only one way, i.e., 13097161 + 894916 = 3619^2 + 946^2 .

It is not a de Polignac number, because 13992077 - 2⁴ = 13992061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13992077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13992047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57698 + ... + 57939.

It is an arithmetic number, because the mean of its divisors is an integer number (2563309).

Almost surely, 2^13992077 is an apocalyptic number.

It is an amenable number.

13992077 is a deficient number, since it is larger than the sum of its proper divisors (1387777).

13992077 is a wasteful number, since it uses less digits than its factorization.

13992077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115659 (or 115648 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 13992077 is about 3740.5984815267. The cubic root of 13992077 is about 240.9687522258.

The spelling of 13992077 in words is "thirteen million, nine hundred ninety-two thousand, seventy-seven".