12101398 has 8 divisors (see below), whose sum is σ = 18318960. Its totient is φ = 5995080.

The previous prime is 12101393. The next prime is 12101407. The reversal of 12101398 is 89310121.

12101398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27538 + ... + 27973.

It is an arithmetic number, because the mean of its divisors is an integer number (2289870).

Almost surely, 2^12101398 is an apocalyptic number.

12101398 is a deficient number, since it is larger than the sum of its proper divisors (6217562).

12101398 is a wasteful number, since it uses less digits than its factorization.

12101398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55622.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 12101398 is about 3478.7063687526. The cubic root of 12101398 is about 229.5858836882.

The spelling of 12101398 in words is "twelve million, one hundred one thousand, three hundred ninety-eight".