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12372941 = 72252509
BaseRepresentation
bin101111001100…
…101111001101
3212021121111002
4233030233031
511131413231
61121110045
7210111500
oct57145715
925247432
1012372941
116a90a79
124188325
132742989
141901137
1511460cb
hexbccbcd

12372941 has 6 divisors (see below), whose sum is σ = 14393070. Its totient is φ = 10605336.

The previous prime is 12372931. The next prime is 12372947. The reversal of 12372941 is 14927321.

12372941 = 2142 + 2152 + ... + 3602.

It can be written as a sum of positive squares in only one way, i.e., 11195716 + 1177225 = 3346^2 + 1085^2 .

It is not a de Polignac number, because 12372941 - 218 = 12110797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12372947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126206 + ... + 126303.

It is an arithmetic number, because the mean of its divisors is an integer number (2398845).

Almost surely, 212372941 is an apocalyptic number.

It is an amenable number.

12372941 is a deficient number, since it is larger than the sum of its proper divisors (2020129).

12372941 is an equidigital number, since it uses as much as digits as its factorization.

12372941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252523 (or 252516 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 12372941 is about 3517.5191541767. The cubic root of 12372941 is about 231.2904213734.

The spelling of 12372941 in words is "twelve million, three hundred seventy-two thousand, nine hundred forty-one".

Divisors: 1 7 49 252509 1767563 12372941