13542634 has 16 divisors (see below), whose sum is σ = 23263488. Its totient is φ = 5792112.

The previous prime is 13542577. The next prime is 13542637. The reversal of 13542634 is 43624531.

It is not an unprimeable number, because it can be changed into a prime (13542637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11727 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (1453968).

Almost surely, 2^13542634 is an apocalyptic number.

13542634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13542634 is a deficient number, since it is larger than the sum of its proper divisors (9720854).

13542634 is a wasteful number, since it uses less digits than its factorization.

13542634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989.

The product of its digits is 8640, while the sum is 28.

The square root of 13542634 is about 3680.0317933409. The cubic root of 13542634 is about 238.3605508986.

It can be divided in two parts, 135426 and 34, that added together give a triangular number (135460 = T₅₂₀).

The spelling of 13542634 in words is "thirteen million, five hundred forty-two thousand, six hundred thirty-four".