13533490 has 32 divisors (see below), whose sum is σ = 25390080. Its totient is φ = 5189184.

The previous prime is 13533473. The next prime is 13533493. The reversal of 13533490 is 9433531.

It is not an unprimeable number, because it can be changed into a prime (13533493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28999 + ... + 29461.

It is an arithmetic number, because the mean of its divisors is an integer number (793440).

Almost surely, 2^13533490 is an apocalyptic number.

13533490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13533490 is a deficient number, since it is larger than the sum of its proper divisors (11856590).

13533490 is a wasteful number, since it uses less digits than its factorization.

13533490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 13533490 is about 3678.7892029851. The cubic root of 13533490 is about 238.3068917259.

It can be divided in two parts, 135334 and 90, that added together give a square (135424 = 368²).

The spelling of 13533490 in words is "thirteen million, five hundred thirty-three thousand, four hundred ninety".