13690380 has 48 divisors (see below), whose sum is σ = 41819904. Its totient is φ = 3318720.

The previous prime is 13690373. The next prime is 13690403. The reversal of 13690380 is 8309631.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

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, 9712 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (871248).

Almost surely, 2^13690380 is an apocalyptic number.

13690380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13690380 is an abundant number, since it is smaller than the sum of its proper divisors (28129524).

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

13690380 is a wasteful number, since it uses less digits than its factorization.

13690380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20766 (or 20764 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13690380 is about 3700.0513509950. The cubic root of 13690380 is about 239.2242312414.

The spelling of 13690380 in words is "thirteen million, six hundred ninety thousand, three hundred eighty".