12148858 has 4 divisors (see below), whose sum is σ = 18223290. Its totient is φ = 6074428.

The previous prime is 12148849. The next prime is 12148861. The reversal of 12148858 is 85884121.

It is a happy number.

12148858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10975969 + 1172889 = 3313^2 + 1083^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3037213 + ... + 3037216.

Almost surely, 2^12148858 is an apocalyptic number.

12148858 is a deficient number, since it is larger than the sum of its proper divisors (6074432).

12148858 is an equidigital number, since it uses as much as digits as its factorization.

12148858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6074431.

The product of its digits is 20480, while the sum is 37.

The square root of 12148858 is about 3485.5211948861. The cubic root of 12148858 is about 229.8856268144.

The spelling of 12148858 in words is "twelve million, one hundred forty-eight thousand, eight hundred fifty-eight".