11729001 has 4 divisors (see below), whose sum is σ = 15638672. Its totient is φ = 7819332.

The previous prime is 11728973. The next prime is 11729009. The reversal of 11729001 is 10092711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10092711 = 3 ⋅3364237.

It is not a de Polignac number, because 11729001 - 2¹³ = 11720809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11729009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954831 + ... + 1954836.

It is an arithmetic number, because the mean of its divisors is an integer number (3909668).

Almost surely, 2^11729001 is an apocalyptic number.

It is an amenable number.

11729001 is a deficient number, since it is larger than the sum of its proper divisors (3909671).

11729001 is an equidigital number, since it uses as much as digits as its factorization.

11729001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909670.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 11729001 is about 3424.7629115021. The cubic root of 11729001 is about 227.2062852130.

The spelling of 11729001 in words is "eleven million, seven hundred twenty-nine thousand, one".