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12401429 is a prime number
BaseRepresentation
bin101111010011…
…101100010101
3212100001120012
4233103230111
511133321204
61121450005
7210260525
oct57235425
925301505
1012401429
117000417
1241a0905
132752931
14190b685
15114e76e
hexbd3b15

12401429 has 2 divisors, whose sum is σ = 12401430. Its totient is φ = 12401428.

The previous prime is 12401399. The next prime is 12401437. The reversal of 12401429 is 92410421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 5299204 = 2665^2 + 2302^2 .

It is a cyclic number.

It is not a de Polignac number, because 12401429 - 28 = 12401173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12401489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200714 + 6200715.

It is an arithmetic number, because the mean of its divisors is an integer number (6200715).

Almost surely, 212401429 is an apocalyptic number.

It is an amenable number.

12401429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12401429 is an equidigital number, since it uses as much as digits as its factorization.

12401429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12401429 is about 3521.5662708517. The cubic root of 12401429 is about 231.4677963685.

The spelling of 12401429 in words is "twelve million, four hundred one thousand, four hundred twenty-nine".