12149398 has 16 divisors (see below), whose sum is σ = 19512000. Its totient is φ = 5656392.

The previous prime is 12149393. The next prime is 12149411. The reversal of 12149398 is 89394121.

12149398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12149393) 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, 468 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (1219500).

Almost surely, 2^12149398 is an apocalyptic number.

12149398 is a deficient number, since it is larger than the sum of its proper divisors (7362602).

12149398 is a wasteful number, since it uses less digits than its factorization.

12149398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499.

The product of its digits is 15552, while the sum is 37.

The square root of 12149398 is about 3485.5986573328. The cubic root of 12149398 is about 229.8890327971.

The spelling of 12149398 in words is "twelve million, one hundred forty-nine thousand, three hundred ninety-eight".