12530349 has 32 divisors (see below), whose sum is σ = 20697600. Its totient is φ = 7439040.

The previous prime is 12530347. The next prime is 12530351. The reversal of 12530349 is 94303521.

12530349 = 436² + 437² + ... + 493².

12530349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12530347) and next prime (12530351).

It is not a de Polignac number, because 12530349 - 2¹ = 12530347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9564 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (646800).

Almost surely, 2^12530349 is an apocalyptic number.

It is an amenable number.

12530349 is a deficient number, since it is larger than the sum of its proper divisors (8167251).

12530349 is a wasteful number, since it uses less digits than its factorization.

12530349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 12530349 is about 3539.8233006748. The cubic root of 12530349 is about 232.2671133179.

The spelling of 12530349 in words is "twelve million, five hundred thirty thousand, three hundred forty-nine".