13700534 has 4 divisors (see below), whose sum is σ = 20550804. Its totient is φ = 6850266.

The previous prime is 13700527. The next prime is 13700551. The reversal of 13700534 is 43500731.

It is a happy number.

13700534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425132 + ... + 3425135.

It is an arithmetic number, because the mean of its divisors is an integer number (5137701).

Almost surely, 2^13700534 is an apocalyptic number.

13700534 is a deficient number, since it is larger than the sum of its proper divisors (6850270).

13700534 is an equidigital number, since it uses as much as digits as its factorization.

13700534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850269.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 13700534 is about 3701.4232397822. The cubic root of 13700534 is about 239.2833599276.

The spelling of 13700534 in words is "thirteen million, seven hundred thousand, five hundred thirty-four".