13077738 has 24 divisors (see below), whose sum is σ = 29827200. Its totient is φ = 4129704.

The previous prime is 13077733. The next prime is 13077751. The reversal of 13077738 is 83777031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13077733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18778 + ... + 19461.

It is an arithmetic number, because the mean of its divisors is an integer number (1242800).

Almost surely, 2^13077738 is an apocalyptic number.

13077738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13077738 is an abundant number, since it is smaller than the sum of its proper divisors (16749462).

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

13077738 is a wasteful number, since it uses less digits than its factorization.

13077738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38266 (or 38263 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 13077738 is about 3616.3155282691. The cubic root of 13077738 is about 235.6012249603.

It can be divided in two parts, 1307 and 7738, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 13077738 in words is "thirteen million, seventy-seven thousand, seven hundred thirty-eight".