13770772 has 6 divisors (see below), whose sum is σ = 24098858. Its totient is φ = 6885384.

The previous prime is 13770761. The next prime is 13770773. The reversal of 13770772 is 27707731.

It can be written as a sum of positive squares in only one way, i.e., 13571856 + 198916 = 3684^2 + 446^2 .

It is a super-2 number, since 2×13770772² = 379268322951968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721343 + ... + 1721350.

Almost surely, 2^13770772 is an apocalyptic number.

It is an amenable number.

13770772 is a deficient number, since it is larger than the sum of its proper divisors (10328086).

13770772 is a wasteful number, since it uses less digits than its factorization.

13770772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442697 (or 3442695 counting only the distinct ones).

The product of its (nonzero) digits is 14406, while the sum is 34.

The square root of 13770772 is about 3710.8990824327. The cubic root of 13770772 is about 239.6915713949.

It can be divided in two parts, 1 and 3770772, that added together give a palindrome (3770773).

The spelling of 13770772 in words is "thirteen million, seven hundred seventy thousand, seven hundred seventy-two".