12198901 has 16 divisors (see below), whose sum is σ = 14958720. Its totient is φ = 9789120.

The previous prime is 12198889. The next prime is 12198913. The reversal of 12198901 is 10989121.

It is an interprime number because it is at equal distance from previous prime (12198889) and next prime (12198913).

It is not a de Polignac number, because 12198901 - 2⁵ = 12198869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12198941) 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, 1435 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (934920).

Almost surely, 2^12198901 is an apocalyptic number.

12198901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12198901 is a deficient number, since it is larger than the sum of its proper divisors (2759819).

12198901 is a wasteful number, since it uses less digits than its factorization.

12198901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 12198901 is about 3492.6925143791. The cubic root of 12198901 is about 230.2008390664.

The spelling of 12198901 in words is "twelve million, one hundred ninety-eight thousand, nine hundred one".