13639030 has 16 divisors (see below), whose sum is σ = 24967440. Its totient is φ = 5362912.

The previous prime is 13639009. The next prime is 13639037. The reversal of 13639030 is 3093631.

13639030 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 = 13638986 and 13639004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13639037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10969 + ... + 12148.

It is an arithmetic number, because the mean of its divisors is an integer number (1560465).

Almost surely, 2^13639030 is an apocalyptic number.

13639030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13639030 is a deficient number, since it is larger than the sum of its proper divisors (11328410).

13639030 is a wasteful number, since it uses less digits than its factorization.

13639030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 13639030 is about 3693.1057390765. The cubic root of 13639030 is about 238.9247617142.

The spelling of 13639030 in words is "thirteen million, six hundred thirty-nine thousand, thirty".