13074780 has 48 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 3471168.

The previous prime is 13074773. The next prime is 13074781. The reversal of 13074780 is 8747031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13074781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21237 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^13074780 is an apocalyptic number.

13074780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13074780 is an abundant number, since it is smaller than the sum of its proper divisors (23697060).

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

13074780 is a wasteful number, since it uses less digits than its factorization.

13074780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 13074780 is about 3615.9065253405. The cubic root of 13074780 is about 235.5834603955.

The spelling of 13074780 in words is "thirteen million, seventy-four thousand, seven hundred eighty".