13940435 has 16 divisors (see below), whose sum is σ = 17248896. Its totient is φ = 10810368.

The previous prime is 13940429. The next prime is 13940441. The reversal of 13940435 is 53404931.

It is an interprime number because it is at equal distance from previous prime (13940429) and next prime (13940441).

It is a cyclic number.

It is not a de Polignac number, because 13940435 - 2⁶ = 13940371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13940398 and 13940407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31979 + ... + 32411.

It is an arithmetic number, because the mean of its divisors is an integer number (1078056).

Almost surely, 2^13940435 is an apocalyptic number.

13940435 is a deficient number, since it is larger than the sum of its proper divisors (3308461).

13940435 is a wasteful number, since it uses less digits than its factorization.

13940435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13940435 is about 3733.6891943492. The cubic root of 13940435 is about 240.6719306899.

The spelling of 13940435 in words is "thirteen million, nine hundred forty thousand, four hundred thirty-five".