13690736 has 10 divisors (see below), whose sum is σ = 26525832. Its totient is φ = 6845360.

The previous prime is 13690723. The next prime is 13690739. The reversal of 13690736 is 63709631.

13690736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13690696 and 13690705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13690739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427820 + ... + 427851.

Almost surely, 2^13690736 is an apocalyptic number.

13690736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13690736 is a deficient number, since it is larger than the sum of its proper divisors (12835096).

13690736 is an equidigital number, since it uses as much as digits as its factorization.

13690736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855679 (or 855673 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 13690736 is about 3700.0994581227. The cubic root of 13690736 is about 239.2263047920.

The spelling of 13690736 in words is "thirteen million, six hundred ninety thousand, seven hundred thirty-six".