11420207 has 4 divisors (see below), whose sum is σ = 11447136. Its totient is φ = 11393280.

The previous prime is 11420203. The next prime is 11420239. The reversal of 11420207 is 70202411.

11420207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70202411 = 3989 ⋅17599.

It is a cyclic number.

It is not a de Polignac number, because 11420207 - 2² = 11420203 is a prime.

It is a super-2 number, since 2×11420207² = 260842255845698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12818 + ... + 13679.

It is an arithmetic number, because the mean of its divisors is an integer number (2861784).

Almost surely, 2^11420207 is an apocalyptic number.

11420207 is a deficient number, since it is larger than the sum of its proper divisors (26929).

11420207 is an equidigital number, since it uses as much as digits as its factorization.

11420207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26928.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 11420207 is about 3379.3796768046. The cubic root of 11420207 is about 225.1946102272.

Adding to 11420207 its reverse (70202411), we get a palindrome (81622618).

The spelling of 11420207 in words is "eleven million, four hundred twenty thousand, two hundred seven".