13997762 has 16 divisors (see below), whose sum is σ = 21353112. Its totient is φ = 6881280.

The previous prime is 13997761. The next prime is 13997791. The reversal of 13997762 is 26779931.

It is a happy number.

13997762 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13097161 + 900601 = 3619^2 + 949^2 .

It is not an unprimeable number, because it can be changed into a prime (13997761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54338 + ... + 54594.

Almost surely, 2^13997762 is an apocalyptic number.

13997762 is a deficient number, since it is larger than the sum of its proper divisors (7355350).

13997762 is a wasteful number, since it uses less digits than its factorization.

13997762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its digits is 142884, while the sum is 44.

The square root of 13997762 is about 3741.3583094914. The cubic root of 13997762 is about 241.0013831179.

The spelling of 13997762 in words is "thirteen million, nine hundred ninety-seven thousand, seven hundred sixty-two".