29987413 has 2 divisors, whose sum is σ = 29987414. Its totient is φ = 29987412.

The previous prime is 29987407. The next prime is 29987429. The reversal of 29987413 is 31478992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 4008004 = 5097^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 29987413 - 2¹³ = 29979221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29987413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29987483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14993706 + 14993707.

It is an arithmetic number, because the mean of its divisors is an integer number (14993707).

Almost surely, 2^29987413 is an apocalyptic number.

It is an amenable number.

29987413 is a deficient number, since it is larger than the sum of its proper divisors (1).

29987413 is an equidigital number, since it uses as much as digits as its factorization.

29987413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 29987413 is about 5476.0764238641. The cubic root of 29987413 is about 310.6797881435.

The spelling of 29987413 in words is "twenty-nine million, nine hundred eighty-seven thousand, four hundred thirteen".