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13922401 is a prime number
BaseRepresentation
bin110101000111…
…000001100001
3222012022221111
4311013001201
512031004101
61214223321
7226224043
oct65070141
928168844
1013922401
11794a119
1247b4b41
132b6600c
141bc5a93
151350251
hexd47061

13922401 has 2 divisors, whose sum is σ = 13922402. Its totient is φ = 13922400.

The previous prime is 13922369. The next prime is 13922417. The reversal of 13922401 is 10422931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8994001 + 4928400 = 2999^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 13922401 - 25 = 13922369 is a prime.

It is not a weakly prime, because it can be changed into another prime (13923401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6961200 + 6961201.

It is an arithmetic number, because the mean of its divisors is an integer number (6961201).

Almost surely, 213922401 is an apocalyptic number.

It is an amenable number.

13922401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13922401 is an equidigital number, since it uses as much as digits as its factorization.

13922401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13922401 is about 3731.2733751362. The cubic root of 13922401 is about 240.5681044095.

The spelling of 13922401 in words is "thirteen million, nine hundred twenty-two thousand, four hundred one".