12135434 has 8 divisors (see below), whose sum is σ = 18255780. Its totient is φ = 6050176.

The previous prime is 12135413. The next prime is 12135443. The reversal of 12135434 is 43453121.

It can be written as a sum of positive squares in 2 ways, for example, as 11580409 + 555025 = 3403^2 + 745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7889 + ... + 9300.

Almost surely, 2^12135434 is an apocalyptic number.

12135434 is a deficient number, since it is larger than the sum of its proper divisors (6120346).

12135434 is a wasteful number, since it uses less digits than its factorization.

12135434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17544.

The product of its digits is 1440, while the sum is 23.

The square root of 12135434 is about 3483.5949821987. The cubic root of 12135434 is about 229.8009241485.

Adding to 12135434 its reverse (43453121), we get a palindrome (55588555).

The spelling of 12135434 in words is "twelve million, one hundred thirty-five thousand, four hundred thirty-four".