12409194 has 32 divisors (see below), whose sum is σ = 28477440. Its totient is φ = 3531312.

The previous prime is 12409193. The next prime is 12409217. The reversal of 12409194 is 49190421.

It is not an unprimeable number, because it can be changed into a prime (12409193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14667 + ... + 15489.

It is an arithmetic number, because the mean of its divisors is an integer number (889920).

Almost surely, 2^12409194 is an apocalyptic number.

12409194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12409194 is an abundant number, since it is smaller than the sum of its proper divisors (16068246).

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

12409194 is a wasteful number, since it uses less digits than its factorization.

12409194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12409194 is about 3522.6685907136. The cubic root of 12409194 is about 231.5160965130.

The spelling of 12409194 in words is "twelve million, four hundred nine thousand, one hundred ninety-four".