12135430 has 16 divisors (see below), whose sum is σ = 22108464. Its totient is φ = 4795360.

The previous prime is 12135413. The next prime is 12135443. The reversal of 12135430 is 3453121.

It is a super-2 number, since 2×12135430² = 294537322569800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12135398 and 12135407.

It is a congruent number.

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, 6481 + ... + 8140.

It is an arithmetic number, because the mean of its divisors is an integer number (1381779).

Almost surely, 2^12135430 is an apocalyptic number.

12135430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12135430 is a deficient number, since it is larger than the sum of its proper divisors (9973034).

12135430 is a wasteful number, since it uses less digits than its factorization.

12135430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14711.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12135430 is about 3483.5944080791. The cubic root of 12135430 is about 229.8008989000.

Adding to 12135430 its reverse (3453121), we get a palindrome (15588551).

The spelling of 12135430 in words is "twelve million, one hundred thirty-five thousand, four hundred thirty".