12135370 has 32 divisors (see below), whose sum is σ = 23678928. Its totient is φ = 4451328.

The previous prime is 12135367. The next prime is 12135413. The reversal of 12135370 is 7353121.

It can be written as a sum of positive squares in 8 ways, for example, as 582169 + 11553201 = 763^2 + 3399^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35842 + ... + 36178.

Almost surely, 2^12135370 is an apocalyptic number.

12135370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12135370 is a deficient number, since it is larger than the sum of its proper divisors (11543558).

12135370 is a wasteful number, since it uses less digits than its factorization.

12135370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 12135370 is about 3483.5857962737. The cubic root of 12135370 is about 229.8005201721.

Adding to 12135370 its reverse (7353121), we get a palindrome (19488491).

The spelling of 12135370 in words is "twelve million, one hundred thirty-five thousand, three hundred seventy".