13490534 has 4 divisors (see below), whose sum is σ = 20235804. Its totient is φ = 6745266.

The previous prime is 13490509. The next prime is 13490573. The reversal of 13490534 is 43509431.

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

It is a junction number, because it is equal to n+sod(n) for n = 13490497 and 13490506.

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, 3372632 + ... + 3372635.

It is an arithmetic number, because the mean of its divisors is an integer number (5058951).

Almost surely, 2^13490534 is an apocalyptic number.

13490534 is a deficient number, since it is larger than the sum of its proper divisors (6745270).

13490534 is an equidigital number, since it uses as much as digits as its factorization.

13490534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745269.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13490534 is about 3672.9462288468. The cubic root of 13490534 is about 238.0544916774.

Adding to 13490534 its reverse (43509431), we get a palindrome (56999965).

The spelling of 13490534 in words is "thirteen million, four hundred ninety thousand, five hundred thirty-four".