12145674 has 16 divisors (see below), whose sum is σ = 25570080. Its totient is φ = 3835440.

The previous prime is 12145673. The next prime is 12145699. The reversal of 12145674 is 47654121.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12145673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53157 + ... + 53384.

It is an arithmetic number, because the mean of its divisors is an integer number (1598130).

Almost surely, 2^12145674 is an apocalyptic number.

12145674 is an abundant number, since it is smaller than the sum of its proper divisors (13424406).

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

12145674 is a wasteful number, since it uses less digits than its factorization.

12145674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106565.

The product of its digits is 6720, while the sum is 30.

The square root of 12145674 is about 3485.0644183429. The cubic root of 12145674 is about 229.8655420792.

Adding to 12145674 its reverse (47654121), we get a palindrome (59799795).

The spelling of 12145674 in words is "twelve million, one hundred forty-five thousand, six hundred seventy-four".