13770552 has 32 divisors (see below), whose sum is σ = 34531200. Its totient is φ = 4576224.

The previous prime is 13770539. The next prime is 13770553. The reversal of 13770552 is 25507731.

13770552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770553) 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, 9883 + ... + 11189.

It is an arithmetic number, because the mean of its divisors is an integer number (1079100).

Almost surely, 2^13770552 is an apocalyptic number.

13770552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13770552 is an abundant number, since it is smaller than the sum of its proper divisors (20760648).

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

13770552 is a wasteful number, since it uses less digits than its factorization.

13770552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 13770552 is about 3710.8694399022. The cubic root of 13770552 is about 239.6902949613.

The spelling of 13770552 in words is "thirteen million, seven hundred seventy thousand, five hundred fifty-two".