13400429 has 8 divisors (see below), whose sum is σ = 15372288. Its totient is φ = 11442960.

The previous prime is 13400417. The next prime is 13400441. The reversal of 13400429 is 92400431.

It is an interprime number because it is at equal distance from previous prime (13400417) and next prime (13400441).

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 13400429 - 2⁸ = 13400173 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 (13400459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 5394.

It is an arithmetic number, because the mean of its divisors is an integer number (1921536).

Almost surely, 2^13400429 is an apocalyptic number.

It is an amenable number.

13400429 is a deficient number, since it is larger than the sum of its proper divisors (1971859).

13400429 is an equidigital number, since it uses as much as digits as its factorization.

13400429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 13400429 is about 3660.6596400103. The cubic root of 13400429 is about 237.5233085157.

The spelling of 13400429 in words is "thirteen million, four hundred thousand, four hundred twenty-nine".