13771902 has 16 divisors (see below), whose sum is σ = 27699840. Its totient is φ = 4564632.

The previous prime is 13771847. The next prime is 13771907. The reversal of 13771902 is 20917731.

13771902 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 self number, because there is not a number n which added to its sum of digits gives 13771902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13771907) 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, 5338 + ... + 7485.

It is an arithmetic number, because the mean of its divisors is an integer number (1731240).

Almost surely, 2^13771902 is an apocalyptic number.

13771902 is an abundant number, since it is smaller than the sum of its proper divisors (13927938).

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

13771902 is a wasteful number, since it uses less digits than its factorization.

13771902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13007.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 13771902 is about 3711.0513335172. The cubic root of 13771902 is about 239.6981274075.

The spelling of 13771902 in words is "thirteen million, seven hundred seventy-one thousand, nine hundred two".