12542330 has 16 divisors (see below), whose sum is σ = 22678920. Its totient is φ = 4994112.

The previous prime is 12542329. The next prime is 12542347. The reversal of 12542330 is 3324521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12159169 + 383161 = 3487^2 + 619^2 .

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, 449 + ... + 5028.

Almost surely, 2^12542330 is an apocalyptic number.

12542330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12542330 is a deficient number, since it is larger than the sum of its proper divisors (10136590).

12542330 is a wasteful number, since it uses less digits than its factorization.

12542330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12542330 is about 3541.5152124479. The cubic root of 12542330 is about 232.3411177963.

Adding to 12542330 its reverse (3324521), we get a palindrome (15866851).

The spelling of 12542330 in words is "twelve million, five hundred forty-two thousand, three hundred thirty".