13790280 has 64 divisors (see below), whose sum is σ = 47283840. Its totient is φ = 3151872.

The previous prime is 13790263. The next prime is 13790297. The reversal of 13790280 is 8209731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13790263) and next prime (13790297).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7369 + ... + 9048.

It is an arithmetic number, because the mean of its divisors is an integer number (738810).

Almost surely, 2^13790280 is an apocalyptic number.

13790280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13790280 is an abundant number, since it is smaller than the sum of its proper divisors (33493560).

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

13790280 is a wasteful number, since it uses less digits than its factorization.

13790280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16438 (or 16434 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 13790280 is about 3713.5266257292. The cubic root of 13790280 is about 239.8047022325.

The spelling of 13790280 in words is "thirteen million, seven hundred ninety thousand, two hundred eighty".