13736631 has 8 divisors (see below), whose sum is σ = 18375280. Its totient is φ = 9127872.

The previous prime is 13736609. The next prime is 13736641. The reversal of 13736631 is 13663731.

13736631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13736631 - 2¹¹ = 13734583 is a prime.

It is a super-2 number, since 2×13736631² = 377390062460322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13736641) 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, 6376 + ... + 8253.

It is an arithmetic number, because the mean of its divisors is an integer number (2296910).

Almost surely, 2^13736631 is an apocalyptic number.

13736631 is a deficient number, since it is larger than the sum of its proper divisors (4638649).

13736631 is a wasteful number, since it uses less digits than its factorization.

13736631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14945.

The product of its digits is 6804, while the sum is 30.

The square root of 13736631 is about 3706.2961295612. The cubic root of 13736631 is about 239.4933234425.

Adding to 13736631 its sum of digits (30), we get a triangular number (13736661 = T₅₂₄₁).

Subtracting from 13736631 its reverse (13663731), we obtain a square (72900 = 270²).

The spelling of 13736631 in words is "thirteen million, seven hundred thirty-six thousand, six hundred thirty-one".