12489435 has 48 divisors (see below), whose sum is σ = 25559040. Its totient is φ = 5520960.

The previous prime is 12489427. The next prime is 12489443. The reversal of 12489435 is 53498421.

It is an interprime number because it is at equal distance from previous prime (12489427) and next prime (12489443).

It is not a de Polignac number, because 12489435 - 2³ = 12489427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12489435.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9126 + ... + 10404.

It is an arithmetic number, because the mean of its divisors is an integer number (532480).

Almost surely, 2^12489435 is an apocalyptic number.

12489435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12489435 is an abundant number, since it is smaller than the sum of its proper divisors (13069605).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12489435 is a wasteful number, since it uses less digits than its factorization.

12489435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1325 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 12489435 is about 3534.0394734638. The cubic root of 12489435 is about 232.0140387363.

The spelling of 12489435 in words is "twelve million, four hundred eighty-nine thousand, four hundred thirty-five".