12461490 has 24 divisors (see below), whose sum is σ = 32400108. Its totient is φ = 3323040.

The previous prime is 12461483. The next prime is 12461497. The reversal of 12461490 is 9416421.

It is an interprime number because it is at equal distance from previous prime (12461483) and next prime (12461497).

It can be written as a sum of positive squares in 2 ways, for example, as 12173121 + 288369 = 3489^2 + 537^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12461497) 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 11 ways as a sum of consecutive naturals, for example, 69141 + ... + 69320.

Almost surely, 2^12461490 is an apocalyptic number.

12461490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12461490 is an abundant number, since it is smaller than the sum of its proper divisors (19938618).

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

12461490 is a wasteful number, since it uses less digits than its factorization.

12461490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138474 (or 138471 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12461490 is about 3530.0835684159. The cubic root of 12461490 is about 231.8408663971.

The spelling of 12461490 in words is "twelve million, four hundred sixty-one thousand, four hundred ninety".