12202921 has 8 divisors (see below), whose sum is σ = 12974400. Its totient is φ = 11444400.

The previous prime is 12202919. The next prime is 12202961. The reversal of 12202921 is 12920221.

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

It is a cyclic number.

It is not a de Polignac number, because 12202921 - 2¹ = 12202919 is a prime.

It is a super-2 number, since 2×12202921² = 297822561864482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (1621800).

Almost surely, 2^12202921 is an apocalyptic number.

It is an amenable number.

12202921 is a deficient number, since it is larger than the sum of its proper divisors (771479).

12202921 is a wasteful number, since it uses less digits than its factorization.

12202921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12202921 is about 3493.2679542228. The cubic root of 12202921 is about 230.2261229216.

The spelling of 12202921 in words is "twelve million, two hundred two thousand, nine hundred twenty-one".