12529490 has 16 divisors (see below), whose sum is σ = 22787352. Its totient is φ = 4959744.

The previous prime is 12529483. The next prime is 12529507. The reversal of 12529490 is 9492521.

12529490 = T₄₅₉ + T₄₆₀ + ... + T₅₅₅.

It can be written as a sum of positive squares in 4 ways, for example, as 10004569 + 2524921 = 3163^2 + 1589^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5489 + ... + 7428.

Almost surely, 2^12529490 is an apocalyptic number.

12529490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12529490 is a deficient number, since it is larger than the sum of its proper divisors (10257862).

12529490 is a wasteful number, since it uses less digits than its factorization.

12529490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13021.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 12529490 is about 3539.7019648552. The cubic root of 12529490 is about 232.2618056177.

The spelling of 12529490 in words is "twelve million, five hundred twenty-nine thousand, four hundred ninety".