12190434 has 16 divisors (see below), whose sum is σ = 24485760. Its totient is φ = 4046000.

The previous prime is 12190421. The next prime is 12190441. The reversal of 12190434 is 43409121.

It is a super-2 number, since 2×12190434² = 297213362216712, which contains 22 as substring.

It is a Curzon 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, 2817 + ... + 5684.

It is an arithmetic number, because the mean of its divisors is an integer number (1530360).

Almost surely, 2^12190434 is an apocalyptic number.

12190434 is an abundant number, since it is smaller than the sum of its proper divisors (12295326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12190434 is a wasteful number, since it uses less digits than its factorization.

12190434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8745.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12190434 is about 3491.4802018628. The cubic root of 12190434 is about 230.1475675565.

Adding to 12190434 its reverse (43409121), we get a palindrome (55599555).

The spelling of 12190434 in words is "twelve million, one hundred ninety thousand, four hundred thirty-four".